AF1657 Air Filter delivers precision micro-bore primary induction cleaning, explicitly engineered to isolate airborne dust, fine soot, and gritty engine-room debris from entering the high-velocity intake pathways of compact auxiliary marine propulsion plants and stationary utility blocks.
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AF1657 Technical Description
This AF1657 Air Filter features an optimized, high-density pleat pack supported by a rugged expanded metal inner and outer reinforcement grid. Designed to deliver efficient, low-restriction volumetric air conversion within space-constrained engine compartments, it combines exceptional particle trapping efficiency with low differential pressure. The premium elastomeric molded end seals provide reliable mechanical compression inside the filter housing, maintaining a zero-bypass sealing profile during sustained heavy-load operations.
AF1657 Key Performance Advantages
Optimized Compact Geometry:Tailored specifically for small-displacement engine housings, maximizing active media surface area without adding unnecessary bulk to confined engine setups.
Dual Expanded Metal Liners:Heavy-duty inner and outer structural steel screens reinforce the media pleats, completely preventing filtration matrix distortion or element buckling under high-induction vacuum forces.
Resilient Molded End Gaskets:Formulated pliable elastomeric end caps establish a high-interference mechanical seal against the filter housing, eliminating dangerous raw dust bypass vulnerabilities.
Pristine Combustion Protection:Promotes a balanced, clean air-to-fuel ratio, protecting upper valve train components from premature abrasive scoring and sustaining stable engine power delivery.
AF1657 Technical Specifications
Parameter
Value / Detail
Filter Classification:
Compact Primary Air Induction Cleaner
Outer Diameter (D1):
92.0 mm
Inner Ring Seal Diameter (D2):
57.0 mm
Internal Core Opening (D3):
57.0 mm
Total Assembly Height (H1):
105.0 mm
Effective Media Height (H2):
104.0 mm
Interchange Matrix / Cross-Reference:
Fleetguard AF1657, Luberfiner LAF225, HiFi Filter SA 11607
AF1657 Industrial Applications
1. Auxiliary Marine Propulsion & Shipboard Power Generation
Engineered to withstand harsh, moisture-laden marine engine room environments and continuous hull vibrations, providing steady intake filtration to ensure reliable auxiliary propulsion and shipboard electrical systems.
BETA MARINE Auxiliary Vessel Engines:Custom-matched to maintain precise operational specifications for Beta 10, Beta 14, Beta 14 SD, Beta 16, Beta 20, Beta 25, Beta 28, and Beta 30 compact marine propulsion and auxiliary generator platforms.
Provides durable particulate separation for rugged small-bore stationary engines running continuously in remote agricultural settings, construction utility sites, or industrial pumping applications.
LISTER-PETTER Specialty Power Assemblies:Engineered for high-efficiency protection across a wide range of Lister-Petter Divers multi-purpose stationary diesel engines and compact utility configurations.
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